2003 Lexus ES 300FACTORY OEM SERVICE PROCEDURE

Speed Sensor: Replacement

  1. REMOVE BATTERY 
  2. REMOVE AIR CLEANER ASSY 
  3. REMOVE AIR CLEANER HOSE NO.1 
  4. REMOVE SPEED SENSOR (NT SENSOR) 
    1. Disconnect the speed sensor connector.
    2. Remove the bolt and speed sensor.
      Fig 1: Disconnecting Speed Sensor Connector
      G01327101Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE SPEED SENSOR (NC SENSOR) 
    1. Disconnect the speed sensor connector.
    2. Remove the bolt and speed sensor.
      Fig 2: Removing Speed Sensor (NC Sensor)
      G01327102Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. INSTALL SPEED SENSOR (NC SENSOR) 
    1. Coat O-ring with ATF.
    2. Install the speed sensor with the bolt.
      1. Torque: 11.3 N.m (115 kgf.cm, 8 ft.lbf) 

      HINT:

      Make sure of the manufacturer's name.

    3. Connect the speed sensor connector.
      Fig 3: Installing Speed Sensor (NC Sensor)
      G01327103Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. INSTALL SPEED SENSOR (NT SENSOR) 
    1. Coat O-ring with ATF.
    2. Install the speed sensor with the bolt.
      1. Torque: 11.3 N.m (115 kgf.cm, 8 ft.lbf) 

      HINT:

      Make sure of the manufacturer's name.

    3. Connect the speed sensor connector.
      Fig 4: Installing Speed Sensor (NT Sensor)
      G01327104Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. INSTALL AIR CLEANER HOSE NO.1 
  9. INSTALL AIR CLEANER ASSY 
    1. Torque: 5.0 N.m (51 kgf.cm, 44 in..lbf) 
  10. INSTALL BATTERY 
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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